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## What mode should my Cos be in calculator?

Finding the Cosine Ratio

For graphing calculators, press “Mode.” If you are using degrees (generally, if you are in geometry), the calculator should be set to degrees or “deg.” If you are using radians (precalculus or trigonometry), it should be set to radians or “rad.”

## Do you use RAD or DEG for trig?

When expressing arguments of trigonometric functions in Mastering assignment answers, use radians unless the question specifically asks you to answer in degrees.

## Should the calculator be in radians or degrees for sin?

It will depend on the question. A question with angles in degrees needs the calculator to be in degrees, and a question with angles in radians needs the calculator to be in radians. Degrees are more common on the SAT than radians though.

## Should my calculator be in degrees or radians for Sohcahtoa?

Mostly radians, sometimes degrees. The result of your calculation is going to depend on whether your calculator is in degrees or radians. SOH CAH TOA, though, is independent of radians or degrees, because it is going the other way.

## Whats the difference between radian and degree mode?

A radian is equal to 180 degrees because a whole circle is 360 degrees and is equal to two pi radians. A radian is not as widely used in the measurement of circles and angles as a degree because it involves the knowledge of higher mathematics and includes tangents, sine, and cosines which are taught in college.

## How do you do sin2x on a Casio calculator?

Pressing on sine key, i.e. “sin” that gives the answer of sin(angle) Pressing x^2 button.